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Starting in 1794, the Heliograph, established by military commanders, was a means of communication that served to revolutionize logistics, strategy, and politics, by providing a covert means whereby people could transmit information at great distances.

Later developments allowed the heliograph to be simplified into a series of mirrors which could transmit coded messages during the daylight hours.

Their role in the strategic deployment of troops, the development of logistics, and communications between various commanders proved invaluable to leaders during the Second Great War. The fact that it was simple to use and train people on, served to create a larger middle-class of workers who would later apply the same technologies to the development of civilian technologies.